Method for durably bonding functional layers to surfaces
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United States of America Patent
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Oct 25, 2016
Grant Date -
Dec 24, 2015
app pub date -
Jan 27, 2014
filing date -
Apr 1, 2008
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Abstract
A new method for durably bonding layers of a functional material to surfaces physically and chemically bonds solid layer lubricants and other functional coatings to a substrate surface by first applying a bond layer of a selected substantially binder-free soft material onto the substrate surface by, for example, burnishing, and then applying the functional layer onto the bond layer. Example soft materials for the bond layer include soft oxides such as antimony trioxide and example solid layer lubricants include graphite, molybdenum disulfide and mixtures of such lubricants. The new method is a major improvement over conventional bonding or coating methods. The process is non-vacuum at ambient temperatures and requires no binders, adhesives, curing or baking. Lubricant performance is enhanced by orders of magnitude compared to conventional approaches. The method is inexpensive, environmentally friendly, applicable to almost any substrate material and scalable.
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